Patents Assigned to Korea Institute of Geoscience and Mineral Resources
  • Patent number: 10415117
    Abstract: The present invention relates to a method for recovering vanadium and tungsten from a leach solution of a waste denitrification catalyst, and more specifically, to a method for recovering vanadium and tungsten from a leach solution of a waste denitrification catalyst comprising the steps of: recovering vanadium by adding acid and then adding a calcium compound to a leach solution of a waste denitrification catalyst to precipitate the vanadium; and recovering tungsten by adding acid and then adding a calcium compound to the remaining leach solution after recovering the vanadium to precipitate the tungsten.
    Type: Grant
    Filed: February 27, 2015
    Date of Patent: September 17, 2019
    Assignee: KOREA INSTITUTE OF GEOSCIENCE AND MINERAL RESOURCES
    Inventors: Jin-Young Lee, Rajesh Kumar
  • Publication number: 20190266769
    Abstract: The present invention relates to an apparatus for editing geological elements using a touch-based interface for retrieving geological information of a survey area, thereby mapping and displaying geometric elements of points, lines, and areas. The apparatus for editing geological elements according to the present invention includes a geological symbol storage module configured to store point symbols, line symbols, and area symbols; a geographic information storage module; a geological element edit module configured, by a user's operation, to read geological information on a specific map from the geological information storage module, to read the symbols from the geological symbol storage module, to rotate the point symbols, to connect the line symbols to each other, to automatically transform the line symbols to area symbols, and to automatically create outlines for the area symbols; a controller; and a display module.
    Type: Application
    Filed: January 22, 2019
    Publication date: August 29, 2019
    Applicant: Korea Institute of Geoscience and Mineral Resources
    Inventors: Young Kwang Yeon, Hee Jae Koh, Kyo Young Song, Seung Ryeol Lee, Seung-bae Lee, Paul Hong
  • Patent number: 10396408
    Abstract: The present invention relates to a waste battery treatment apparatus using continuous heat treatment, and a method for recovering valuable metals from lithium-based batteries using the same, the waste battery treatment apparatus comprising: a frame (10); a reaction reservoir (30) which is disposed in the inner space of the frame (10) and has thereinside a treatment space (S1) in which waste batteries to be treated are disposed; an inlet 34 (33) in which a gas blocking door (34) is disposed so as to selectively communicate the treating space (S1) with the outside, and which serves as a path through which an object to be treated is inputted to the treating space (S1) of the reaction reservoir (30). In addition, the waste battery treatment apparatus is provided with a vacuum forming means (40) which is connected to the treatment space (S1) of the reaction reservoir (30) to vacuumize the treatment space (S1).
    Type: Grant
    Filed: February 4, 2016
    Date of Patent: August 27, 2019
    Assignee: KOREA INSTITUTE OF GEOSCIENCE AND MINERAL RESOURCES (KIGAM)
    Inventors: Shun Myung Shin, Sung Ho Ju, Dong Ju Shin, Jei Pil Wang, Chang Hyun Oh
  • Patent number: 10385423
    Abstract: The present invention relates to a device for recovering lithium included in a solution such as sea water, and to a sea water lithium-recovery device and a lithium-recovery station using coastal-water-based lithium-adsorption equipment and shore-based lithium-isolation equipment and a lithium desorption device using aeration.
    Type: Grant
    Filed: August 28, 2014
    Date of Patent: August 20, 2019
    Assignee: KOREA INSTITUTE OF GEOSCIENCE AND MINERAL RESOURCES
    Inventors: Kang Sup Chung, Byoung Gyu Kim, Tae Gong Ryu, Jung Ho Ryu, In Su Park, Hye Jin Hong
  • Publication number: 20190234018
    Abstract: A method of recycling a by-product generated in a papermaking process including, pulverizing a by-product produced in a papermaking process to prepare a pulverized product, burning the pulverized product to prepare a burned product, hydrating the burned product to prepare a hydrate; and manufacturing paper from the hydrate and a paper slurry is provided, which allows reuse of by-products generated in conventional papermaking processes such as lime mud and lime kiln CaO, which is environmentally friendly as well as cost-effective, and also the level of whiteness of the by-products such as lime mud and lime kiln CaO generated in a papermaking process can be improved to that of a high-grade raw material, making it possible to also improve the whiteness of paper.
    Type: Application
    Filed: February 22, 2018
    Publication date: August 1, 2019
    Applicant: Korea Institute Of Geoscience And Mineral Resource
    Inventor: Ji-Whan AHN
  • Patent number: 10364155
    Abstract: A method of removing hydrous silica from bentonite includes irradiating an ultrasonic wave after preparing slurry by putting the bentonite and a sodium compound into distilled water or deionized water, adding the distilled water or the deionized water to the slurry, into which the ultrasonic wave is irradiated, to dilute and centrifugate the slurry, and drying a supernatant obtained through the centrifugation.
    Type: Grant
    Filed: December 29, 2015
    Date of Patent: July 30, 2019
    Assignee: KOREA INSTITUTE OF GEOSCIENCE AND MINERAL RESOURCES
    Inventors: Wan-Tae Kim, Sang-Bae Kim, Il-Mo Kang
  • Patent number: 10337968
    Abstract: Provided is an automatic reduction apparatus for pre-treating a sample for radiocarbon dating, and more particularly, an automatic reduction apparatus for pre-treating a sample for radiocarbon dating capable of preventing peripheral devices of a liquid nitrogen container from being cooled due to scattering of liquid nitrogen supplied to the liquid nitrogen container of a carbon dioxide collector and preventing the peripheral devices from being heated by heat of a reaction furnace at the time of heating the reaction furnace of a reduction reactor.
    Type: Grant
    Filed: December 3, 2014
    Date of Patent: July 2, 2019
    Assignee: KOREA INSTITUTE OF GEOSCIENCE AND MINERAL RESOURCES
    Inventors: Wan Hong, Jung Hun Park
  • Patent number: 10330577
    Abstract: Provided is a method of measuring a change in the density of an underground material. To measure the change in the density of the underground material, a borehole is installed above a target underground material and a first gravimeter and a second gravimeter are installed outside and inside of the borehole, respectively. Sequentially, a change in the density of the target underground material is calculated based on a first gravitational change and a second gravitational change measured using the first gravimeter and the second gravimeter. According to the method, it is possible to precisely measure the change in the density of the target underground material, such as an oil, a gas, etc., stored in an underground reservoir and carbon dioxide injected into an underground storage.
    Type: Grant
    Filed: March 2, 2015
    Date of Patent: June 25, 2019
    Assignee: KOREA INSTITUTE OF GEOSCIENCE AND MINERAL RESOURCES (KIGAM)
    Inventors: Jeong Woo Kim, Neumeyer Juergen
  • Publication number: 20190131393
    Abstract: Colloidal nanocrystal electronic devices including multiple types of nanocrystal device elements including nanocrystal metallic electrodes, nanocrystal insulators, and nanocrystal insulators. Colloidal nanocrystal electronic devices may be produced by forming multiple nanocrystal electronic device elements on a substrate.
    Type: Application
    Filed: April 6, 2017
    Publication date: May 2, 2019
    Applicants: The Trustees of the University of Pennsylvania, Korea Institute of Geoscience and Mineral Resources
    Inventors: Cherie R. KAGAN, Ji-Hyuk CHOI, Han WANG, Soong Ju OH
  • Patent number: 10273162
    Abstract: A method of coating a calcium carbonate film. In one aspect, the method includes preparing a calcium aqueous solution by adding a calcium-containing material to distilled water; forming a calcium carbonate film on a surface of the calcium aqueous solution by leaving the calcium aqueous solution; placing the calcium carbonate film on a substrate; and forming a calcium carbonate coating film by leaving the calcium carbonate film on the substrate.
    Type: Grant
    Filed: October 28, 2015
    Date of Patent: April 30, 2019
    Assignee: KOREA INSTITUTE OF GEOSCIENCE AND MINERAL RESOURCES
    Inventors: Seung-Woo Lee, Soo-Chun Chae, Chi-Wan Jeon
  • Patent number: 10273560
    Abstract: Provided is a recovery method of useful resources in seawater and brine, and more particularly, a recovery method of useful resources in seawater and brine capable of improving adsorption efficiency and recovery efficiency of trace amounts of useful resources such as strontium, lithium, boron, or the like, present in brine at low cost by using a magnetic adsorbent composite and a solid-liquid separation process which uses magnetic force.
    Type: Grant
    Filed: April 13, 2016
    Date of Patent: April 30, 2019
    Assignee: KOREA INSTITUTE OF GEOSCIENCE AND MINERAL RESOURCES
    Inventors: Jungho Ryu, Hye-Jin Hong, Byoung-Gyu Kim, In-Su Park, Taegong Ryu, Kang-Sup Chung
  • Publication number: 20190112194
    Abstract: A method for preparing graphene balls, the method including, a) preparing a dispersion which includes, a graphene oxide, a reducing agent ranging from a monosaccharide to a polysaccharide, ammonia water and a dispersion medium; and b) spraying and drying the dispersion. According to the preparation method of the present disclosure, it is possible to prepare uniformly sized and spherical graphene balls. Such graphene can be applied to various fields due to excellent physical and chemical characteristics.
    Type: Application
    Filed: March 14, 2017
    Publication date: April 18, 2019
    Applicant: Korea Institute Of Geoscience And Mineral Resources
    Inventors: Hee-Dong JANG, Han-Kwon CHANG, Ji-Hyuk CHOI
  • Patent number: 10197491
    Abstract: The present invention relates to a method for measuring porosity of a rock according to the present invention including: (a) capturing a first image by using SEM with respect to a rock sample; (b) determining a first area of a portion determined to be a heavy mineral in the first image; (c) immersing the rock sample in an aqueous solution in which a gadolinium compound is dissolved in that the aqueous solution flows into pores and the gadolinium compound is deposited in pores inside the rock sample; (d) capturing a second image by using SEM with respect to the rock sample; and (e) determining a second area of a portion determined as a heavy mineral and a pore in the second image, and then subtracting the first area from the second area to determine an area of pores in the rock sample.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: February 5, 2019
    Assignee: Korea Institute of Geoscience and Mineral Resources
    Inventors: Jae Hwa Jin, Young Min Oh, Jun Ho Kim, Jeong-Yil Lee
  • Patent number: 10190192
    Abstract: The present invention relates to a method of recovering acid and a platinum group metal from a leaching solution of a spent catalyst, more particularly, to a method of recovering acid and a platinum group metal from a leaching solution of a spent catalyst, the method including: filtering a leaching solution of a spent catalyst, providing the filtered leaching solution into a concentration chamber, and heating the filtered leaching solution to recover acid included in the leaching solution; providing a concentrated solution of the leaching solution into a substitution chamber after recovering the acid, and adding a metal for a substitution reaction; and cleaning a solid, which is separated by solid-liquid separation after the substitution reaction, with acid and recovering the platinum group metal.
    Type: Grant
    Filed: April 28, 2014
    Date of Patent: January 29, 2019
    Assignee: KOREA INSTITUTE OF GEOSCIENCE AND MINERAL RESOURCES
    Inventors: Jin-Young Lee, Kyeong-Woo Chung
  • Patent number: 10185048
    Abstract: The present invention relates to a 3-dimensional airborne magnetic survey system that includes an unmanned aerial vehicle for magnetic survey moving along coordinate areas desired to survey while varying altitudes for each of the coordinate areas, a magnetic survey unit mounted on the unmanned aerial vehicle for magnetic survey and surveying 3D magnetic data of the earth or strata according to the altitudes, a 3-dimensional magnetic data processing unit processing a inversion on the 3-dimensional magnetic data of the earth or the strata according to the altitude for each coordinate area, a VSAT interface, a wireless controller interacting with the VSAT interface, a flight control signal for controlling the unmanned aerial vehicle of magnetic survey, and a magnetic survey signal through an internal navigation program.
    Type: Grant
    Filed: December 8, 2014
    Date of Patent: January 22, 2019
    Assignee: KOREA INSTITUTE OF GEOSCIENCE AND MINERAL RESOURCES
    Inventors: Gye Soon Park, Seong Jun Cho
  • Patent number: 10161017
    Abstract: Provided are a method for crushing hard tungsten carbide (WC) scraps which is a pre-step of alkaline leaching and acid leaching processes for recycling of tungsten and cobalt, the method including mixing hard tungsten carbide (WC) scraps such as chips, wires, bolts, drills, etc., that are metalworking tools to be discarded after being used, with aluminum, followed by heating to a high temperature, to form an intermetallic compound, metal oxides, or mixtures thereof in a sponge form, and crushing the intermetallic compound, the metal oxides, or the mixtures thereof in a sponge form. Further, provided is a method for recovering tungsten and cobalt from hard tungsten carbide (WC) scrap powder through alkaline leaching and acid leaching methods.
    Type: Grant
    Filed: May 17, 2016
    Date of Patent: December 25, 2018
    Assignee: KOREA INSTITUTE OF GEOSCIENCE AND MINERAL RESOURCES
    Inventors: Byung-Su Kim, Hanjung Kwon, Ki-Min Roh, Chang-Youl Suh, Ji-Hyuk Choi
  • Patent number: 10156017
    Abstract: The present invention relates to a method of simultaneously recovering cobalt (Co) and manganese (Mn) from lithium-based BATTERY, and more particularly, to a method that is capable of simultaneously recovering cobalt and manganese from lithium-based BATTERY, i.e., recycled resources that contain large amounts of cobalt and manganese, with high purities using multistage leaching and electrowinning methods. According to the method of the present invention, cobalt and manganese can be simultaneously recovered from lithium-based BATTERY as recycled resources, and a recovery method that is cost-effective compared to conventional methods can be provided.
    Type: Grant
    Filed: January 23, 2015
    Date of Patent: December 18, 2018
    Assignee: KOREA INSTITUTE OF GEOSCIENCE AND MINERAL RESOURCE (KIGAM)
    Inventors: Shun-Myung Shin, Sung-Ho Ju, Dong-Ju Shin, Jei-Pil Wang
  • Patent number: 10139316
    Abstract: The present invention relates to a bottom sampler comprising, a cable connecting plate, an outer fixing plate disposed at a lower side of the cable connecting plate, a sample barrel guide extending downwards from the outer fixing plate, and a sample barrel configured to have a sediment permeation prevention plate mounted at an outer peripheral end, and provided with a valve at opposite ends, the valve connected to a guide rod pivotally coupled to a first end of a lever operating arm, wherein the valve is closed depending on the pivoting of the lever operating arm when a seabed sample is introduced into the sample barrel to seal an inner part thereof. Accordingly, seabed samples such as gas-filled sediments can be collected and analyzed without pressure leakage.
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: November 27, 2018
    Assignee: Korea Institute of Geoscience and Mineral Resources
    Inventors: Jong-Hwa Chun, Yu-Ri Kim, Young-Sang Eo, Joo-Yong Lee
  • Patent number: 10135063
    Abstract: Capsules comprising crumpled graphene sheets that form a crumpled graphene shell encapsulating an internal cargo comprising nanostructures of a second component are provided. Also provided are anode materials for lithium ion batteries comprising the capsules, wherein the nanostructures are composed of an electrochemically active material, such as silicon.
    Type: Grant
    Filed: June 28, 2013
    Date of Patent: November 20, 2018
    Assignees: NORTHWESTERN UNIVERSITY, KOREA INSTITUTE OF GEOSCIENCE AND MINERAL RESOURCES
    Inventors: Jiaxing Huang, Hee Dong Jang, Jiayan Luo
  • Patent number: 10101489
    Abstract: The present invention relates to an apparatus and method for analyzing underground geophysical properties using the principle of a ground-penetrating radar.
    Type: Grant
    Filed: June 30, 2016
    Date of Patent: October 16, 2018
    Assignee: Korea Institute of Geoscience and Mineral Resources
    Inventors: Woong Kang, Jung Ho Kim, Myeong Jong Yi, Nikos Papadopoulos